Light-dependent magnetoreception in birds: analysis of the behaviour under red light after pre-exposure to red light.
D025041:Animal Migration / Q000502:physiology*; D000818:Animals; D003116:Color; D005858:Germany; D008027:Light; D008280:Magnetics; D009949:Orientation / Q000502:physiology*; D012621:Seasons; D020308:Songbirds / Q000502:physiology*